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Hubble Finds Medusa in the Sky

The Jason-2/OSTM satellite provided insights into ocean currents and sea level rise with tangible benefits to marine forecasting, meteorology and understanding of climate change. These observations are being continued by its successor, Jason-3.

A Cosmic Pretzel.

NASA Selects 25 Promising Space Technologies for Commercial Flight Tests

A simulation of early galaxy formation under three dark matter scenarios. In a universe filled with cold dark matter, early galaxies would first form in bright halos (far left). If dark matter is instead warm, galaxies would form first in long, tail-like filaments (center). Fuzzy dark matter would produce similar filaments, though striated (far right), like the strings of a harp.

NASA and Uber Test System for Future Urban Air Transport

In this image captured by NASA's Cassini spacecraft in 2007, the plumes of Enceladus are clearly visible. The moon is nearly in front of the Sun from Cassini's viewpoint.

Blue-white B-star.

The spectrum of interstellar comet 2I/Borisov obtained using ISIS spectrograph on the WHT on the 20th of September, showing how the amount of light coming from the comet depends on the wavelength of light. The light emitted by cyanogen gas molecules is clearly identified, above all the light being reflected from the dust grains also emitted by the comet.